}

  std::vector<Node*> topo;
  TF_RETURN_IF_ERROR(GetFrameBasedTopologicalOrder(&topo));

  size_t frame_start = 0;
  while (frame_start < topo.size()) {
    // Batching nodes who have the same root frame.
    absl::string_view cur_frame_name;
    TF_RETURN_IF_ERROR(
        GetRootFrame(topo[frame_start], control_flow_info_, &cur_frame_name));

	if cpus == "" {
		return emptyCPUSet, nil
	}

	topo, err := topology.Discover(machineInfo)
	if err != nil {
		return emptyCPUSet, fmt.Errorf("unable to discover CPU topology info: %s", err)
	}
	reservedCPUSet, err := cpuset.Parse(cpus)
	if err != nil {
		return emptyCPUSet, fmt.Errorf("unable to parse reserved-cpus list: %s", err)
	}
	allCPUSet := topo.CPUDetails.CPUs()
	if !reservedCPUSet.IsSubsetOf(allCPUSet) {

	noProvisionerPVC            = makeTestPVC("no-provisioner-pvc", "1Gi", "", pvcUnbound, "", "1", &waitClass)
	topoMismatchPVC             = makeTestPVC("topo-mismatch-pvc", "1Gi", "", pvcUnbound, "", "1", &topoMismatchClass)

	selectedNodePVC = makeTestPVC("provisioned-pvc", "1Gi", nodeLabelValue, pvcSelectedNode, "", "1", &waitClassWithProvisioner)

	// PVCs for CSI migration

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